Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$ (45,677)	$ 3,471
Adjustments to reconcile net (loss) income to cash (used in) provided by continuing operating activities:
Deferred income taxes	35,785	139
Depreciation	8,635	8,051
Amortization	6,144	5,836
Asset impairments	8,016	0
Equity income in nonconsolidated investment	(74)	(7)
(Gain) loss on sales and disposals of property, plant, and equipment	(177)	51
Stock-based compensation	2,380	1,945
Loss (gain) on asset divestiture	214	(2,741)
Change in operating assets and liabilities:
Accounts receivable	(25,061)	2,294
Contract assets	(540)	1,325
Inventories	(11,798)	(3,973)
Other current assets	3,555	367
Other noncurrent assets	(2,136)	158
Accounts payable	10,066	(13,641)
Deferred revenue	4,649	6,285
Accrued payroll and employee benefits	1,225	344
Accrued settlement	(8,000)	(8,000)
Other current liabilities	876	(2,407)
Other liabilities	1,342	(307)
Net cash used in continuing operating activities	(10,576)	(810)
Net cash used in discontinued operating activities	0	(253)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from the sale of property, plant, and equipment	267	30
Capital expenditures on property, plant, and equipment	(7,633)	(4,620)
Acquisitions, net of cash acquired	(57,852)	(229)
Proceeds from asset divestiture	8,800	22,707
Capital contributions to nonconsolidated investment	0	(66)
Net cash (used in) provided by continuing investing activities	(56,418)	17,822
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of debt	(188,437)	(183,372)
Proceeds from debt	249,269	169,637
Debt issuance costs	(182)	(406)
Treasury stock acquisitions	(410)	(732)
Investment of noncontrolling interest	0	969
Net cash provided by (used in) continuing financing activities	60,240	(13,904)
Effect of exchange rate changes on cash and cash equivalents	(736)	(47)
Net (decrease) increase in cash and cash equivalents	(7,490)	2,808
Cash and cash equivalents at beginning of period	10,372	7,564
Cash and cash equivalents at end of period	2,882	10,372
Supplemental disclosure of cash flow information:
Interest paid	2,701	2,615
Income taxes (received) paid	$ (5,007)	$ 1,491